The WSJ's Melinda Beck identified a new elite group, which may induce even more envy than billionaires or aristocrats: The Sleepless Elite.
These are the 1% to 3% of the population who live happily on just a few hours of sleep per night.
During the day they don't need caffeine, as they are energetic and upbeat. They tend to be thin, thanks to a fast metabolism, and they have a high tolerance for physical and psychological pain.